odd and even numbers

[Mike Bonner]

set the itemdelimiter to "."

put (the number of items in (x/2) is 2) into isOdd


On Mon, Aug 5, 2013 at 3:37 PM, kee nethery <kee at kagi.com> wrote:

> OK I'll toss in a combo.
>
> put ((last char of trunc(x)) mod 2) = 0 into isOdd
>
> allows for a floating value of "x" which it should never be given but
> would be nice if it could handle
> allows for a quick mod calculation of a single digit rather than whatever
> the entire value of "x" is (perhaps speeds up execution?)
>
> Kee Nethery
>
>
> On Aug 5, 2013, at 1:30 PM, Paul D. DeRocco <pderocco at ix.netcom.com>
> wrote:
>
> >> From: dunbarx at aol.com
> >>
> >> Just ask yourself this"
> >>
> >> answer testNumber mod 2
> >>
> >> If you get a "1", testnumber is odd, if a "0", even.
> >
> > Careful, x mod 2 will be -1 for a negative odd number. Better to test for
> > zero (even) or nonzero (odd).
> >
> > By the way bitwise AND normally works for negative or positive numbers
> on a
> > two's complement machine (which is probably every machine that LiveCode
> ever
> > has or ever will run on. In C, one can test for an odd integer with x &
> 1.
> > Yet bitAnd doesn't work on negative numbers. It is documented that way,
> but
> > I think this is an unnecessary and unexpected limitation.
> >
> > --
> >
> > Ciao,               Paul D. DeRocco
> > Paul                mailto:pderocco at ix.netcom.com
> >
> >
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